From: "Rafael J. Wysocki" <rafael@kernel.org>
To: Saravana Kannan <saravanak@google.com>,
Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"Cc: Android Kernel" <kernel-team@android.com>
Subject: Re: [PATCH v1 0/3] Fix dpm_list ordering issue due to fw_devlink optimization
Date: Tue, 7 Jul 2020 17:56:16 +0200 [thread overview]
Message-ID: <CAJZ5v0gPKHSpC+9BNt_n_wP+8Lmekb1VapfgHPwenHopekHV=w@mail.gmail.com> (raw)
In-Reply-To: <20200701194259.3337652-1-saravanak@google.com>
On Wed, Jul 1, 2020 at 9:43 PM Saravana Kannan <saravanak@google.com> wrote:
>
> When commit 93d2e4322aa7 ("of: platform: Batch fwnode parsing when
> adding all top level devices") enabled batch processing of fw_devlink to
> optimize the parsing time, it caused a suspend/resume regression due to
> the use of deferred probing early on at boot.
>
> This series fixes the regression by avoiding the use of deferred probing
> when optimizing fw_devlink parsing.
>
> Saravana Kannan (3):
> driver core: Don't do deferred probe in parallel with kernel_init
> thread
> driver core: Rename dev_links_info.defer_sync to defer_hook
> driver core: Avoid deferred probe due to fw_devlink_pause/resume()
>
> drivers/base/base.h | 1 -
> drivers/base/core.c | 44 ++++++++++++++++++++++++++++++------------
> drivers/base/dd.c | 5 -----
> include/linux/device.h | 5 +++--
> 4 files changed, 35 insertions(+), 20 deletions(-)
>
> --
Geert, any chance to test this series on top of 5.8-rc? It is
expected to fix the suspend/resume regression reported by you.
Cheers!
next prev parent reply other threads:[~2020-07-07 15:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-01 19:42 [PATCH v1 0/3] Fix dpm_list ordering issue due to fw_devlink optimization Saravana Kannan
2020-07-01 19:42 ` [PATCH v1 1/3] driver core: Don't do deferred probe in parallel with kernel_init thread Saravana Kannan
2020-07-07 15:59 ` Rafael J. Wysocki
2020-07-07 21:54 ` Saravana Kannan
2020-07-01 19:42 ` [PATCH v1 2/3] driver core: Rename dev_links_info.defer_sync to defer_hook Saravana Kannan
2020-07-07 16:02 ` Rafael J. Wysocki
2020-07-01 19:42 ` [PATCH v1 3/3] driver core: Avoid deferred probe due to fw_devlink_pause/resume() Saravana Kannan
2020-07-07 15:56 ` Rafael J. Wysocki [this message]
2020-07-08 8:16 ` [PATCH v1 0/3] Fix dpm_list ordering issue due to fw_devlink optimization Geert Uytterhoeven
2020-07-08 17:36 ` Saravana Kannan
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